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<?php function shell_exec(string $text): void { echo $text; } `hello, world\n`;
Output for 7.0.0
Fatal error: Cannot redeclare shell_exec() in /in/CkTeh on line 5
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected ':', expecting '{' in /in/CkTeh on line 3
Process exited with code 255.
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